Home / 42,355.22-63,538.67-14,283.29

Finding the Fourth Proportional to 42,355.22, 63,538.67 and 14,283.29

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Solution

The fourth proportional to 42,355.22, 63,538.67 and 14,283.29 is: 21,426.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,355.22 : 63,538.67 = 14,283.29 : x
  2. Step 2: Convert to fraction form
    42,355.22/63,538.67 = 14,283.29/x
  3. Step 3: Cross multiply
    42,355.22x = 63,538.67 × 14,283.29
  4. Step 4: Simplify right side
    42,355.22x = 907,541,249.82
  5. Step 5: Solve for x
    x = 907,541,249.82/42,355.22
  6. Step 6: Final answer
    x = 21,426.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.